Megohmmeter, Backlit Digital Display Yes, Bluetooth Compatible Yes, CAT Safety Rating CAT IV 600V, Calibration Certificate Included, Capacitance Auto Discharge Yes, Display Type Digital, Dustproof Yes, Greater Than 30V Warning Yes, Includes Carrying Case, Holster and Stand Assembly, Nails Lead Set, Strap, Insulation Limit Alarm Yes, Maximum Insulation Resistance 1 gigohm, Minimum Insulation Resistance 0.1 megaohm, PI/DAR Testing No, Parameters Measured Insulation Resistance